[GRASS-user] calculate Fiducial mark ?

[Markus Neteler]

On Fri, Mar 11, 2016 at 2:56 PM, image93 <lcelati at cci-paris-idf.fr> wrote:
> Dear all,
>
> I'm working on a photogrammetric project. For the interior orientation, i
> have to calculate fiducial marks a,b,c and d  thanks to my input information
> : distance in mm between AB, BC, CD...and also the coordinates XY in mm of
> the PPA (point of autocollimation)...
> Could you tell me how to calculate fiducial marks ?

Please take a look at these files:

https://trac.osgeo.org/grass/browser/grass/trunk/imagery/i.ortho.photo/README
https://trac.osgeo.org/grass/browser/grass/trunk/imagery/i.ortho.photo/alg_photo_rectify.txt
https://trac.osgeo.org/grass/browser/grass/trunk/imagery/i.ortho.photo/alg_camera_position.txt

Hopefully helpful,
Markus